|Publication|Score|Review|
|---|---|---|
|1up.com|B|→|
|Weekly Famitsu|36 of 40|print|
|GamePro.com|6.5 of 10|→|
|GameSpot|7.5 of 10|→|
|Hardcore Gamer Magazine|9.5 of 10|print|
|IGN.com|7.9 of 10|→|
|Nintendo Power|8 of 10|print|
|Play Magazine|7 of 10|print|
|Metacritic|76 of 100|→|

Question: how many publications used a scale-of-one-to-ten scoring system?
Answer: 6